Frequencies for d_4_ipf_c13_91 variable in prds_hosp10_yr2012 dataset :

d_4_ipf_c13 |
        _91 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          5        0.08        0.08
          2 |          4        0.06        0.14
          3 |          6        0.10        0.24
          6 |          2        0.03        0.27
          9 |          1        0.02        0.29
         17 |          1        0.02        0.31
         18 |          1        0.02        0.32
         26 |          1        0.02        0.34
         28 |          1        0.02        0.35
         47 |          1        0.02        0.37
         88 |          1        0.02        0.39
        238 |          1        0.02        0.40
        265 |          1        0.02        0.42
        349 |          1        0.02        0.43
          . |      6,200       99.57      100.00
------------+-----------------------------------
      Total |      6,227      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018